Ben and Kendall were hitting up the hotspot while Tinashe was also in the building.
While her car idled on the curb, she confirmed to photographers that Ben was only dating Kendall to get himself some fame.
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The 25-year old singer's brother had accused Ben of cheating on Tinashe with Kendall way back in the spring when the couple first caught headlines.
When the singer was seen leaving the nightclub, she was asked if she had met them inside. She answered by saying "He’s texting me. What the hell? What is he doing? He’s an idiot.”